What's the Biggest Surprise of the Grey's Anatomy Musical Event?

Sure, Sara Ramirez is the star of Thursday's�Grey's Anatomy�musical extravaganza?the ep�all about Callie's busted brain, not to mention her imperiled...

Source: http://feeds.eonline.com/~r/eonline/uk/topstories/~3/8VqYg_jBswc/b233548_whats_biggest_surprise_of_greys_anatomy.html

Scarlett Johansson Michael Phelps Brittny Gastineau Gwyneth Paltrow Rachel Weisz